2120243242 has 24 divisors (see below), whose sum is σ = 3446578080. Its totient is φ = 977792400.

The previous prime is 2120243239. The next prime is 2120243249. The reversal of 2120243242 is 2423420212.

It is not an unprimeable number, because it can be changed into a prime (2120243249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 829867 + ... + 832417.

It is an arithmetic number, because the mean of its divisors is an integer number (143607420).

Almost surely, 2^2120243242 is an apocalyptic number.

2120243242 is a deficient number, since it is larger than the sum of its proper divisors (1326334838).

2120243242 is a wasteful number, since it uses less digits than its factorization.

2120243242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038 (or 5025 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2120243242 is about 46046.0990964490. The cubic root of 2120243242 is about 1284.6807873388.

Adding to 2120243242 its reverse (2423420212), we get a palindrome (4543663454).

The spelling of 2120243242 in words is "two billion, one hundred twenty million, two hundred forty-three thousand, two hundred forty-two".